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From Kiran Ayyagari <kayyag...@apache.org>
Subject Re: Indexing schema attributes
Date Tue, 04 Oct 2011 15:07:02 GMT
On Tue, Oct 4, 2011 at 11:03 AM, Emmanuel Lecharny <elecharny@gmail.com> wrote:
> On 10/4/11 3:12 PM, Kiran Ayyagari wrote:
>>
>> On Tue, Oct 4, 2011 at 12:30 AM, Emmanuel Lecharny<elecharny@gmail.com>
>>  wrote:
>>>
>>> On 10/4/11 2:11 AM, Craig Setera wrote:
>>>>
>>>> I actually assumed that to be the case.  In our case, we did an LDIF
>>>> export,
>>>> set up the indices and re-imported the LDIF.  Before the addition of the
>>>> indices, our search would return a single result and after we would get
>>>> zero
>>>> results.  I initially attributed that to the indices not being correctly
>>>> registered, but from what you are saying that is not the case.
>>>
>>> We need to add some extended operation to get the index created when it's
>>
>> IMO an extended operation won't be efficient, and also requires the
>> server to cease any updates from happening
>> while the new index is building.
>
> This is implicit. We need stop suspend all operations while the index is
> rebuilt.
>>
this is one reason I went ahead with the idea of 'just restart to
build the indices after configuring them'
>> Currently the server requires a
>> restart after adding a new index, which I see as a safe approach
>>>
>>> added after some data have been added. Another option (and I think we
>>> already have done that) would be to have a command line option that can
>>> be
>>> run on a stopped server to recreate the index. AFAIR, Kiran, you wrote
>>> such
>>> a tool, right ?
>>>
>> yes, but never updated after my initial implementation
>
> We need to get it included in 2.0 :)
>>>
>>> In any case, we should be able to create this index without having to
>>> export/import the data before 2.0
>>>
>> export/import is no longer necessary in the latest versions(>1.5.7)
>> except that the server needs to be restarted after
>> adding a new index/indices
>
> Do you mean the index is rebuilt at startup ?
>
yes, the new index/indices will be built by scanning the whole master table data
>
> --
> Regards,
> Cordialement,
> Emmanuel Lécharny
> www.iktek.com
>
>



-- 
Kiran Ayyagari

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